🛡️ CVE-2022-47930
🟡 CVSS 6.8 — Medium ✅ No Known Exploit CWE-294 NVD
6.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

An issue was discovered in IO FinNet tss-lib before 2.0.0. The parameter ssid for defining a session id is not used through the MPC implementation, which makes replaying and spoofing of messages easier. In particular, the Schnorr proof of knowledge implemented in sch.go does not utilize a session id, context, or random nonce in the generation of the challenge. This could allow a malicious user or an eavesdropper to replay a valid proof sent in the past.

Details

Severity Medium
CVSS Score 6.8
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE CWE-294
Public Exploit ✅ No
Source NVD
Published 2023-04-21
Updated 2026-06-15
Modified 2025-02-05
Fix URL N/A

Affected Packages

Software From version Fixed in
github.com/binance-chain/tss-lib
github.com/bnb-chain/tss-lib
tss-lib 2.0.0

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